What of the ISO standard that mRuby is based on?
http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_...
Aw crap, I have to buy this doc to see it?
http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_...
Aw crap, I have to buy this doc to see it?
But the ISO document is mostly irrelevant, if we talk about Ruby implementations like CRuby, JRuby, or Rubinius.